programs/wineconsole/wineconsole.c

   1 /*
   2  * an application for displaying Win32 console
   3  *
   4  * Copyright 2001, 2002 Eric Pouech
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdarg.h>
  23 #include <stdlib.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wincon.h"
  28
  29 #include "wineconsole_res.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(console);
  34
  35 int WINAPI wWinMain( HINSTANCE inst, HINSTANCE prev, WCHAR *cmdline, INT show )
  36 {
  37     STARTUPINFOW startup = { sizeof(startup) };
  38     PROCESS_INFORMATION info;
  39     WCHAR *cmd = cmdline;
  40     DWORD exit_code;
  41
  42     static WCHAR default_cmd[] = L"cmd";
  43
  44     FreeConsole(); /* make sure we're not connected to inherited console */
  45     if (!AllocConsole())
  46     {
  47         ERR( "failed to allocate console: %u\n", GetLastError() );
  48         return 1;
  49     }
  50
  51     if (!*cmd) cmd = default_cmd;
  52
  53     startup.dwFlags    = STARTF_USESTDHANDLES;
  54     startup.hStdInput  = CreateFileW( L"CONIN$",  GENERIC_READ | GENERIC_WRITE, 0, NULL,
  55                                       OPEN_EXISTING, 0, 0 );
  56     startup.hStdOutput = CreateFileW( L"CONOUT$", GENERIC_READ | GENERIC_WRITE, 0, NULL,
  57                                       OPEN_EXISTING, 0, 0 );
  58     startup.hStdError  = startup.hStdOutput;
  59
  60     if (!CreateProcessW( NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info ))
  61     {
  62         WCHAR format[256], *buf;
  63         INPUT_RECORD ir;
  64         DWORD len;
  65         exit_code = GetLastError();
  66         WARN( "CreateProcess failed: %u\n", exit_code );
  67         LoadStringW( GetModuleHandleW( NULL ), IDS_CMD_LAUNCH_FAILED, format, ARRAY_SIZE(format) );
  68         len = wcslen( format ) + wcslen( cmd );
  69         if ((buf = malloc( len * sizeof(WCHAR) )))
  70         {
  71             swprintf( buf, len, format, cmd );
  72             WriteConsoleW( startup.hStdOutput, buf, wcslen(buf), &len, NULL);
  73             while (ReadConsoleInputW( startup.hStdInput, &ir, 1, &len ) && ir.EventType == MOUSE_EVENT);
  74         }
  75         return exit_code;
  76     }
  77
  78     CloseHandle( info.hThread );
  79     WaitForSingleObject( info.hProcess, INFINITE );
  80     return GetExitCodeProcess( info.hProcess, &exit_code ) ? exit_code : GetLastError();
  81 }